/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.apache.knox.gateway.topology.discovery.cm;

import java.util.List;
import java.util.Map;

/**
 * Collects service URLs from a set of ServiceModels for a service's roles.
 */
public interface ServiceURLCollector {

  /**
   *
   * @param roleModels A map of service role names to ServiceModel instances
   *
   * @return The service URLs based on the ServiceModel instances.
   */
  List<String> collect(Map<String, List<ServiceModel>> roleModels);

}
